#使用语音
import re
import threading
import websocket
import hashlib
import base64
import hmac
import json
from urllib.parse import urlencode
import time
# 该模块为客户端和服务器端的网络套接字提供对传输层安全性(通常称为“安全套接字层”)
# 的加密和对等身份验证功能的访问。
import ssl
from wsgiref.handlers import format_date_time
from datetime import datetime
from time import mktime
import _thread as thread
import pyaudio

# 语言小爱
import request_comm

STATUS_FIRST_FRAME = 0  # 第一帧的标识
STATUS_CONTINUE_FRAME = 1  # 中间帧标识
STATUS_LAST_FRAME = 2  # 最后一帧的标识

# 我的认证 id

class Ws_Param(object):
    # 初始化
    def __init__(self, APPID, APIKey, APISecret):
        self.APPID = APPID
        self.APIKey = APIKey
        self.APISecret = APISecret

        # 公共参数(common)
        self.CommonArgs = {"app_id": self.APPID}
        # 业务参数(business)，更多个性化参数可在官网查看
        self.BusinessArgs = {"domain": "iat", "language": "zh_cn", "accent": "mandarin", "vinfo": 1, "vad_eos": 10000}

    # 生成url
    def create_url(self):
        url = 'wss://ws-api.xfyun.cn/v2/iat'
        # 生成RFC1123格式的时间戳
        now = datetime.now()
        date = format_date_time(mktime(now.timetuple()))

        # 拼接字符串
        signature_origin = "host: " + "ws-api.xfyun.cn" + "\n"
        signature_origin += "date: " + date + "\n"
        signature_origin += "GET " + "/v2/iat " + "HTTP/1.1"
        # 进行hmac-sha256进行加密
        signature_sha = hmac.new(self.APISecret.encode('utf-8'), signature_origin.encode('utf-8'),
                                 digestmod=hashlib.sha256).digest()
        signature_sha = base64.b64encode(signature_sha).decode(encoding='utf-8')

        authorization_origin = "api_key=\"%s\", algorithm=\"%s\", headers=\"%s\", signature=\"%s\"" % (
            self.APIKey, "hmac-sha256", "host date request-line", signature_sha)
        authorization = base64.b64encode(authorization_origin.encode('utf-8')).decode(encoding='utf-8')
        # 将请求的鉴权参数组合为字典
        v = {
            "authorization": authorization,
            "date": date,
            "host": "ws-api.xfyun.cn"
        }
        # 拼接鉴权参数，生成url
        url = url + '?' + urlencode(v)

        return url


text=""
def on_message(ws, message):
    try:
        code = json.loads(message)["code"]
        sid = json.loads(message)["sid"]
        if code != 0:
            errMsg = json.loads(message)["message"]
            print("sid:%s call error:%s code is:%s" % (sid, errMsg, code))

        else:
            data = json.loads(message)["data"]["result"]["ws"]
            result = ""
            for i in data:
                for w in i["cw"]:
                    result += w["w"]

            if result == '。' or result == '.。' or result == ' .。' or result == ' 。':
                pass
            else:
                text=result
                #t.insert(END, result)  # 把上边的标点插入到result的最后
                print("小玮: %s。" % (result))
                # 对话
                request_comm.getRequest(result)



    except Exception as e:
        print("receive msg,but parse exception:", e)


# 收到websocket错误的处理
def on_error(ws, error):
    print("### error:", error)
    run()

# 收到websocket关闭的处理
def on_close(ws):
    pass

# 收到websocket连接建立的处理
def on_open(ws):
    def run(*args):
        status = STATUS_FIRST_FRAME  # 音频的状态信息，标识音频是第一帧，还是中间帧、最后一帧
        CHUNK = 520  # 定义数据流块
        FORMAT = pyaudio.paInt16  # 16bit编码格式
        CHANNELS = 1  # 单声道
        RATE = 16000  # 16000采样频率
        # 实例化pyaudio对象
        p = pyaudio.PyAudio()  # 录音
        # 创建音频流
        # 使用这个对象去打开声卡，设置采样深度、通道数、采样率、输入和采样点缓存数量
        stream = p.open(format=FORMAT,  # 音频流wav格式
                        channels=CHANNELS,  # 单声道
                        rate=RATE,  # 采样率16000
                        input=True,
                        frames_per_buffer=CHUNK)

        print("- - - - - - - Start Recording ...- - - - - - - ")
        # 添加开始表示 ——start recording——


        global text
        tip = "——----——该你说话啦宝贝~~~~------——"
        for i in range(0, int(RATE / CHUNK * 60)):
            # # 读出声卡缓冲区的音频数据
            buf = stream.read(CHUNK)
            if not buf:
                status = STATUS_LAST_FRAME
            if status == STATUS_FIRST_FRAME:
                # 参数id传进来
                # print(wsParam.CommonArgs)
                # print(wsParam.BusinessArgs)
                d = {"common": wsParam.CommonArgs,
                     "business": wsParam.BusinessArgs,
                     "data": {"status": 0, "format": "audio/L16;rate=16000",
                              "audio": str(base64.b64encode(buf), 'utf-8'),
                              "encoding": "raw"}}
                d = json.dumps(d)
                ws.send(d)
                status = STATUS_CONTINUE_FRAME
                # 中间帧处理
            elif status == STATUS_CONTINUE_FRAME:
                d = {"data": {"status": 1, "format": "audio/L16;rate=16000",
                              "audio": str(base64.b64encode(buf), 'utf-8'),
                              "encoding": "raw"}}
                ws.send(json.dumps(d))

            # 最后一帧处理
            elif status == STATUS_LAST_FRAME:
                d = {"data": {"status": 2, "format": "audio/L16;rate=16000",
                              "audio": str(base64.b64encode(buf), 'utf-8'),
                              "encoding": "raw"}}
                ws.send(json.dumps(d))
                time.sleep(1)
                break

    thread.start_new_thread(run, ())

# APPID="817f8bca"
# APIKey="4207db7275f480e8bd7d4758bd9cbb77"
# APISecret="Y2Q2MTNmZDVmNzcyOTFhMTNiZjY5MjVi"
def run():
    global wsParam
    # 讯飞接口编码
    wsParam = Ws_Param(APPID="817f8bca",
                       APIKey="4207db7275f480e8bd7d4758bd9cbb77",
                       APISecret="Y2Q2MTNmZDVmNzcyOTFhMTNiZjY5MjVi")
    #是否
    websocket.enableTrace(False)
    wsUrl = wsParam.create_url()
    ws = websocket.WebSocketApp(wsUrl, on_message=on_message, on_error=on_error, on_close=on_close)
    ws.on_open = on_open
    # 开启ssl证书  https
    ws.run_forever(sslopt={"cert_reqs": ssl.CERT_NONE}, ping_timeout=2)

def runc():
    run()

# # 继承thread父类,开辟一个线程来执行 语音的处理
class Job(threading.Thread):

    # 重写init
    def __init__(self, *args, **kwargs):
        # 调用super实现父类的构造
        super(Job, self).__init__(*args, **kwargs)
        self.__flag = threading.Event()  # 用于暂停线程的标识
        self.__flag.set()  # 设置为True
        self.__running = threading.Event()  # 用于停止线程的标识
        self.__running.set()  # 将running设置为True

    # 调用start自动执行run方法
    def run(self):
        while self.__running.isSet():
            self.__flag.wait()  # 为True时立即返回, 为False时阻塞直到内部的标识位为True后返回
            runc()
            time.sleep(1)

    # def pause(self):
    #     self.__flag.clear()  # 设置为False, 让线程阻塞
    #
    # def resume(self):
    #     self.__flag.set()  # 设置为True, 让线程停止阻塞
    #
    def stop(self):
        self.__flag.set()  # 将线程从暂停状态恢复, 如何已经暂停的话
        self.__running.clear()  # 设置为False



a = Job()
# 线程的开启
a.start()
